August weather forecast
Troutdale, OR

Weather in August

August, the last month of the summer in Troutdale, is another warm month, with an average temperature fluctuating between 52.7°F (11.5°C) and 79.7°F (26.5°C).

Temperature

The warmest month is August, with an average high-temperature of 79.7°F (26.5°C) and an average low-temperature of 52.7°F (11.5°C).

Humidity

With an average relative humidity of 65%, August is the least humid month.

Rainfall

In Troutdale, during August, the rain falls for 4.1 days and regularly aggregates up to 0.43" (11mm) of precipitation. Throughout the year, in Troutdale, there are 171 rainfall days, and 37.2" (945mm) of precipitation is accumulated.

Snowfall

April through October are months without snowfall in Troutdale.

Daylight

In August, the average length of the day is 14h and 3min.
On the first day of August in Troutdale, Oregon, sunrise is at 5:53 am and sunset at 8:38 pm. On the last day of the month, sunrise is at 6:29 am and sunset at 7:49 pm PDT.

Sunshine

With an average of 11h of sunshine, August has the most sunshine of the year.

UV index

The average daily maximum UV index in August in Troutdale is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 4 in August interpret into the following advice:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the warmest month in Troutdale?

August is the warmest month, with an average high-temperature of 79.7°F (26.5°C) and an average low-temperature of 52.7°F (11.5°C).

What is the temperature in August in Troutdale?

In August, the average high-temperature is 79.7°F (26.5°C), and the average low-temperature is 52.7°F (11.5°C).

What is the least humid month in Troutdale?

August is the least humid month in Troutdale, with an average relative humidity of 65%.

What is the average humidity in August in Troutdale?

The average relative humidity in August in Troutdale, Oregon, is 65%.

How many days does it rain in August in Troutdale?

In Troutdale, Oregon, in August, it is raining for 4.1 days, with typically 0.43" (11mm) of accumulated precipitation.

When it does not snow in Troutdale?

April through October are months without snowfall in Troutdale.

What is the average length of the day in August in Troutdale?

In August, the average day length in Troutdale, Oregon, is 14h and 3min.

When is the sunrise / sunset in August in Troutdale?

In August, on the first day of the month, sunrise is at 5:53 am and sunset at 8:38 pm. On the last day of the month, sunrise is at 6:29 am and sunset at 7:49 pm PDT.

What month has the most sunshine in Troutdale?

With an average of 11h of sunshine, August has the most sunshine of the year.

How long on average sun shines in August in Troutdale?

In Troutdale, the average sunshine duration in August is 11h.

How high is the UV index in August in Troutdale?

In Troutdale, the average daily maximum UV index in August is 4. A UV Index reading of 3 to 5 represents a moderate health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Troutdale, OR

Average temperature in August - Troutdale, OR
  • Average high temperature in August: 79.7°F

The warmest month (with the highest average high temperature) is August (79.7°F).
The month with the lowest average high temperature is December (43.3°F).

  • Average low temperature in August: 52.7°F

The month with the highest average low temperature is August (52.7°F).
The coldest month (with the lowest average low temperature) is December (33.3°F).

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Average pressure in August
Troutdale, OR

Average pressure in August - Troutdale, OR
  • Average pressure in August: 30"Hg

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).

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Average wind speed in August
Troutdale, OR

Average wind speed in August - Troutdale, OR
  • Average wind speed in August: 3.5mph

The windiest month (with the highest average wind speed) is January (6.8mph).
The calmest month (with the lowest average wind speed) is August (3.5mph).

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Average humidity in August
Troutdale, OR

Average humidity in August - Troutdale, OR
  • Average humidity in August: 65%

The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is August (65%).

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Average rainfall in August
Troutdale, OR

Average rainfall in August - Troutdale, OR
  • Average rainfall in August: 0.43"

The wettest month (with the highest rainfall) is December (5.63").
The driest month (with the least rainfall) is July (0.31").

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Average rainfall days in August
Troutdale, OR

Average rainfall days in August - Troutdale, OR
  • Average rainfall days in August: 4.1 days

The month with the highest number of rainy days is March (19.6 days).
The month with the least rainy days is August (4.1 days).

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Average snowfall in August
Troutdale, OR

Average snowfall in August - Troutdale, OR
  • Average snowfall in August: 0"

The month with the highest snowfall is February (1.54").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in August
Troutdale, OR

Average snowfall days in August - Troutdale, OR
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (2.2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight in August /
Average sunshine in August
Troutdale, OR

Average daylight in August / Average sunshine in August - Troutdale, OR
  • Average daylight in August: 14h and 1min

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in August: 11h and 0min

The month with the most sunshine is August (Average sunshine: 11h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).

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Average sunshine days in August
Troutdale, OR

Average sunshine days in August - Troutdale, OR
  • Average sunshine days in August: 25.3 days

The month with the most sunshine days is August (25.3 days).
The month with the least sunshine days is February (8.6 days).

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Average UV index in August
Troutdale, OR

Average UV index in August - Troutdale, OR
  • Average UV index in August: 4

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in August
Troutdale, OR

Average cloud cover in August - Troutdale, OR
  • Average cloud cover in August: 24

The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 24).

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Average visibility in August
Troutdale, OR

Average visibility in August - Troutdale, OR
  • Average visibility in August: 6mi

The months with the highest visibility are July, August and September (6mi).
The months with the lowest visibility are January, February, March, April, May, June, October, November and December (5mi).

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